the koch brothers want romney, and romney has promised, to roll back the fuel economy incentives. it's going to endanger young men and women who have to go to the middle east to import the oil. >> professor, back in the '60s we called such people pigs. pigs. no, really. they don't care about the planet, don't care about the destruction of war, all they care about is their stuff. and they want more of it. is that what we're talking about, greed? i'm not talking about the coal miner, that's hard work. i'm talking about people who won't listen to you or science because they want more stuff? >> listen, chris, i'm not into name calling here. >> well, i am. >> fine, that's your job, not mine. we have a serious job to do. the administration has actually started to put in regulations to reduce emissions. u.s. emissions are actually down modestly. we have a long way to go. we're going to have to do this by all getting together and acting cooperatively. we have to do in our own lives what we can, get those energy efficient appliances and cars. we have to encourage the government to start pa